<template>
  <div class="dashboard-container">
    <div class="app-container">
      <page-tools :show-before="true">
        <span slot="before">共{{ page.total }}</span>
        <template slot="after">
          <el-button size="small" type="danger" @click="exportData">简单表头导出</el-button>
          <el-button size="small" type="info" @click="exportComplexData">复杂表头导出</el-button>
          <el-button
            size="small"
            type="success"
            @click="$router.push('/import?type=user')"
          >Excel导入</el-button>
          <el-button size="small" type="primary" @click="adEmployeeList">新增员工</el-button>
        </template>
      </page-tools>
      <!-- 放置表格和分页 -->
      <el-card v-model="loading">
        <el-table border :data="list">
          <el-table-column label="序号" sortable="" type="index" />
          <el-table-column label="姓名" sortable="" prop="username" />
          <el-table-column label="头像" sortable="" prop="username" />
          <el-table-column label="头像" align="center">
            <template slot-scope="{row}">
              <img
                slot="reference"
                v-imageerror="require('@/assets/common/bigUserHeader.png')"
                :src="row.staffPhoto"
                style="border-radius: 50%; width: 100px; height: 100px; padding: 10px"
                alt=""
              >
            </template>
          </el-table-column>

          <el-table-column label="工号" sortable="" prop="workNumber" />
          <el-table-column label="聘用形式" sortable="" :formatter="formatEmployment" prop="formOfEmployment" />
          <el-table-column label="部门" sortable="" prop="departmentName" />
          <el-table-column label="入职时间" sortable="" prop="timeOfEntry">
            <template slot-scope="{ row }">
              {{ row.timeOfEntry | formatDate }}
            </template>
          </el-table-column>
          <el-table-column label="账户状态" sortable="" prop="enableState">
            <template slot-scope="{ row }">
              <!-- 根据当前状态来确定 是否打开开关 -->
              <el-switch :value="row.enableState === 1" />
            </template>
          </el-table-column>
          <el-table-column label="操作" sortable="" fixed="right" width="280">
            <template slot-scope="{ row }">
              <el-button
                type="text"
                size="small"
                @click="$router.push(`/employees/detail/${ row.id}`)"
              >查看</el-button>
              <el-button type="text" size="small">转正</el-button>
              <el-button type="text" size="small">调岗</el-button>
              <el-button type="text" size="small">离职</el-button>
              <el-button type="text" size="small">角色</el-button>
              <el-button type="text" size="small" @click="delEmployee(row.id)">删除</el-button>
            </template>
          </el-table-column>
        </el-table>
        <!-- 分页组件 -->
        <el-row type="flex" justify="center" align="middle" style="height: 60px">
          <el-pagination
            layout="prev, pager, next"
            :page-size="page.size"
            :current-page="page.page"
            :total="page.total"
            @current-change="chanegPage"
          />
        </el-row>
      </el-card>
    </div>
    <add-employee ref="addEmployee" />
  </div>
</template>

<script>
import { getEmployeeList, delEmployee } from '@/api/employees'
import EmployeeEnum from '@/api/constant/employees'
import AddEmployee from './components/add-employee'
import { formatDate } from '@/filters'
export default {
  components: {
    AddEmployee
  },
  data() {
    return {
      loading: false,
      list: [],
      page: {
        size: 5,
        page: 1,
        total: 0
      }

    }
  },
  created() {
    this.getEmployeeList()
  },
  methods: {
    // 页面改变时更新页码
    chanegPage(newPage) {
      this.page.page = newPage
      this.getEmployeeList()
    },
    // 获取员工列表
    async getEmployeeList() {
      this.loading = true
      const { rows, total } = await getEmployeeList(this.page)
      this.page.total = total
      this.list = rows
      this.loading = false
    },
    // 处理员工聘用形式
    formatEmployment(row, column, cellValue, index) {
      const obj = EmployeeEnum.hireType.find(item => item.id === cellValue)
      return obj ? obj.value : '未知'
    },
    // 删除员工
    async delEmployee(id) {
      try {
        await this.$confirm('确认删除这个员工么')
        await delEmployee(id)
        if (this.list.length === 1 && this.page.page !== 1) {
          this.page.page--
        }
        this.getEmployeeList()
        this.$message.success('删除员工成功')
      } catch (err) {
        console.log(err)
      }
    },
    // 添加员工打开表单
    adEmployeeList() {
      this.$refs.addEmployee.showDialog = true
    },
    // 简单表头导出
    exportData() {
      const headers = {
        '姓名': 'username',
        '手机号': 'mobile',
        '入职日期': 'timeOfEntry',
        '聘用形式': 'formOfEmployment',
        '转正日期': 'correctionTime',
        '工号': 'workNumber',
        '部门': 'departmentName'
      }
      import('@/vendor/Export2Excel').then(async excel => {
        const { rows } = await getEmployeeList({ page: 1, size: this.page.total })
        const data = this.formatJson(headers, rows)

        excel.export_json_to_excel({
          header: Object.keys(headers),
          data,
          filename: '员工信息表',
          autoWidth: true,
          bookType: 'xlsx'

        })
      })
    },
    // 将数组转化为二维数组
    formatJson(headers, rows) {
      // 首先遍历数组
      // [{ username: '张三'},{},{}]  => [[’张三'],[],[]]
      return rows.map(item => {
        return Object.keys(headers).map(key => {
          if (headers[key] === 'timeOfEntry' || headers[key] === 'correctionTime') {
            return formatDate(item[headers[key]]) // 返回格式化之前的时间
          } else if (headers[key] === 'formOfEmployment') {
            const obj = EmployeeEnum.hireType.find(obj => obj.id === item[headers[key]])
            return obj ? obj.value : '未知'
          }
          return item[headers[key]]
        })
      })
    },
    // 复杂表头导出
    exportComplexData() {
      const headers = {
        '姓名': 'username',
        '手机号': 'mobile',
        '入职日期': 'timeOfEntry',
        '聘用形式': 'formOfEmployment',
        '转正日期': 'correctionTime',
        '工号': 'workNumber',
        '部门': 'departmentName'
      }
      // 导出excel
      import('@/vendor/Export2Excel').then(async excel => {
        const { rows } = await getEmployeeList({ page: 1, size: this.page.total })
        const data = this.formatJson(headers, rows) // 返回的data就是 要导出的结构
        const multiHeader = [['姓名', '主要信息', '', '', '', '', '部门']]
        const merges = ['A1:A2', 'B1:F1', 'G1:G2']
        excel.export_json_to_excel({
          header: Object.keys(headers),
          data,
          filename: '员工资料表',
          multiHeader, // 复杂表头
          merges // 合并选项
        })
      })
    }
  }
}
</script>

<style>

</style>
